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| To: | "PA1SDB, Peter" <[email protected]>, Markus Vester <[email protected]> |
|---|---|
| Subject: | LF: Re: Local VLF experiments in 3HD - Grabber changes |
| From: | schaefer <[email protected]> |
| Date: | Sat, 08 Feb 2014 18:31:54 +0100 |
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Hi Peter, Markus, VLF,I've made some changes/updates to the VLF grabber again. The first 2 windows show 5755/3HD spectrograms in 3.8 mHz and in 424 uHz, i.e. there is an internal frequency offset. However the 3x frequency shift spreading for FSK signals like DFCW still appears, of course. 8270 Hz is shown in "6000" and "60000" as well as the Alpha F1 and wideband, like before. http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html 73, Stefan/DK7FC |
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